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- This paper explains lapping principle and the small tendency mechanism of ball roundness error. 本文论述了研磨原理及球体圆度误差趋小化研磨机理;
- A generalized method for roundness error separation under noise environment was presented. 提出了一种噪声环境下圆度误差分离的统一方法。
- The roundness error of the minimum zone circle is considered to be the criterion of a lowest condition principles. “最小区域圆”意义上的圆度误差,被认为是符合“最小条件原则”的圆度误差评定标准。
- As to the obtained circular peripheral coordinates,the smaller its roundness error is,the better its algorithm is. 对于一组测得的圆形工件周边上点的坐标,计算出来的圆度误差值越小,越是好的算法。
- The norm of measurement matrix is a metric of impact on the roundness error separation under noise environment. 频域测量矩阵的范数反映了噪声对误差分离结果的影响程度。
- The principle and design process of the system to measure the roundness error using the Lloyd mirror, linear CCD image processing system are described. 论述了系统利用劳埃德镜干涉装置,通过线阵CCD图像处理系统自动测量圆度误差的工作原理及过程设计。
- The straightening process is generally used to eliminate the longitudinal bending and the roundness error of the rolled seamless steel pipe. 为了消除无缝钢管轧制后的纵向弯曲及圆度误差,一般要采用矫直工艺。
- Roundness error is an important index of the geometric precision.The method of evaluating the roundness error has some defectiveness. 圆度误差是几何精度的重要指标，已有的评定方法存在一定的局限性，为此，提出了一种快速地、准确评定圆度误差的新方法。
- This article dcscribes the influence of ccntre drift on the roundness error andDoints outthat teh diameter method can not be used to accurately measure the roundness error. 论述了圆心漂移对实际圆的圆度误差造成的影响，指出“直径法”不能作为精密测量圆度误差的手段。
- The least square solution and minimum mean square error (MMSE) solution for roundness error and spindle error was derived by measurement matrix in frequency-domain. 这种方法利用频域测量矩阵直接给出了圆度形状误差和回转误差的最小二乘解或最小均方误差解。
- The testi ng results indicate that the arithmetic is correct, the interface of the program is visual and the roundness error and diagrammatic view can be shown directly. 测试验证表明,程序算法正确,界面直观形象,可直接显示圆度误差值和误差图形。
- Thus, any present optimization algorithm, as long as it is convergent, can be applied to solve the objective function to get the reliable minimum zone roundness error. 任何最优化算法，只要它收敛，均可用于求解该目标函数并得到可靠的最小区域圆度误差值。
- Numbers but can be subject to rounding errors. 数字大,但可能会导致四舍五入错误。
- The cam-bores may present a roundness error within the diameter tolerance, so the most significant diameter value for the shim/tappet thickness determination is the one along the valve train axis. 凸轮孔可能会出现直径公差范围内的误差，所以决定垫片/凸子厚度的最大直径值应位于气阀机构的轴部。
- On the basis of experience with measurement this paper discusses the concentricity and roundness error measurements by three coordinates measuring machine from the viewpoint of the author. 本文在测量实践的基础上,对三坐标测量机测量圆度和同轴度误差进行探讨,论述了作者的看法和改进意见。
- Amortized over million of units the cost of an operating system is a rounding error. 因为把成本分摊到成千上万个产品上时，操作系统的成本就显得微不足道了。
- Taxes are rounded off to the nearest dollar but the rounding error is surprisingly small. 税款被舍入到最接近的金额，但舍入的错误却令人吃惊地小。
- She skirted round the problem of the high cost. 她避而不谈巨额费用问题。
- Measuring Device of Roundness Error of Space Ring 隔离环圆度误差测量装置
- A creeper was entwined round the pillar. 一根攀缘植物缠绕在柱子上。
